Summary of Contents for Honda Accord 1997 62SN726 Service Manual - Page 49

  • Honda Accord 1997 62SN726 Service Manual - Page 49

    Troubleshooting Engine Control Module Terminal Arrangement ECM CONNECTOR A126?) r—I I 2 3 4 5 06 7 a 10 I I 1 2 13 2 RiS INJ1 INJ2 INJ3 FLR IAOV sun: MIL Acc 59.. mm 761 IGP1 14 15 16 13 22 23 25 26 INJ4 vrs ESOI. Mcs FAS PCS P62 LGI TERMINAL SIDE OF MALE TERMINALS ECM CONNECTOR A (25?) , NOTE: Standard Voltage .3 12 v. Tumlnll . . numb. erl 0M0! rum II II. DWMIOH Slannl I BRN INJ1 (No. 1 FUEL INJECTOR) Drive; NOV 1 ruel injecIDre Wllh engine running pulias 2 RED |NJ21No. 2 FUEL INJECTOR) Dnves NOT 2 Iuel .nleeior, a BLU um (No) 3 FUEL INJECTOR) Drives Mae 3 Iuel inlenor. A GRN/BLK FLR {FUEL PUMP RELAV) Driven funl pump relay, l)er M0 seconds afller IuInIrIq lanIion switch ON (In, men balmy venege IACV Drives IACV. wnn engine runnlng: puIIee 5 ELK/5” (INTAKE AIR CONTROL VALVE) OZSHTC (HEATED OXYGEN Drives heated oxygen sensor healer. Wilh g Dr! W h ON 0 binary voltage 6“ BLWHT SENSOR HEATER CDNTROLl Wirh Ally wnrmed LID engine running: duty controlled MIL [MALFUNCTIDN INDICAYDR Drives MIL, Wm! MIL Turned ON: 0 V 7 LT GRN’RED LAMP) Wlth MIL Turned OFF: bauerv when 5 LI ELU ACO (NC CLUTCH RELAV) Drives NC clurch NIIV- Win! EDMDNSSOV ON: 0 V [h eompreesm OFF: benery voluga ‘0 WHT RES SOL [INTAKE CONVROL Drives lnuke Oonlvol solenoid valve. Wi‘h englne at law 797: 0 V SOLENOID VALVE) With engine at high rpm: banery voltage ICM (IGNmON CONTROL Sends ignnion pulse. wnn lgnlllun ewnen ON in): battery Vollaga I1 YEUGRN MODULE) vmn engine mnning bum ID v laepenoing on engine speed) 1 BLK PG‘ [POWER GROUND) Gmqu ror I! ECM anE circuit. IGP1 (POWER SOURCE) PDWSr source for the ECM comrol h UN {12 DIIIBW volume ‘3 VEUELK circu . h oFonv 1‘ YEL INJA (No. A FUEL INJECTOR) Or as No. t IueI inieomr wml eng 2 running: pulsas ‘5 GEN/ya VTs NTEc SOLENOID VALVE) Driver VTEC solenoid velve. lnmn ong e m low rpm: 0 v wnn engine a: high rpm hatIEvv vnIIege EsoL lEGR CONTROL SOLENOID Drives EGR eonlml solenoid “Ive wnn EGR poem 9 during d ng wnn lullv 15“ RED VALVE) warmed UD Engine: duty cenlr lad will. EGR nel aparallng: bunerv voltage 8., GRNMHY Mcs (ENGINE MOUNT CONTROL Dnvee engine mounl comml Dunno idling: o v ‘ SOLENOID VALVE) wlanold vllvee Blyond mung: balurv voluge 22.; BRNMHT FAS (FEEDBACK AT SIGNAL) Sends veenoeck signal Ior me TcM. Dnnng idling ahaur 5 v Dunng shilling: momentary change In D V PCS (EVA? PURGE CONTROL Drives EVAP purge control solenoid with Engine running Engine L‘WISH‘ helnw .. GR” SOLENOID VALVE} valve. 75AC {137Fl2 NI‘EW voltage ’3 wiln engine running, engine eoolani above - 15°C 1167“F):0V 25 ELK PG? (POWER GROUND] Ground forxhe ECM WWGV Clrcull. 26 BRN/BLK LGI (LOGIC GROUND! Ground [or the ECM canlrol circuil. F2222 angina NT model Kv model u: Exeem Kv moueI *1: lconldl 11-7